There's little data on asteroid 2013 TX68, leaving doomsayers predicting a cataclysmic collision. But the space agency is far less concerned.
NASA gets official about defending Earth from asteroids with its new Planetary Defense Coordination Office, which will work to detect threats and coordinate a response.
The asteroid that buzzed past Earth on October 31 looked like a skull at first blush, but new NASA images show another side to the space rock.
An unexpected and large asteroid is coming around for a rare flyby, zipping past Earth close enough for scientists to get a good look.
This isn't just a Millennium Falcon coffee table. It's an entire chase scene from "The Empire Strikes Back."
Experiments have demonstrated that it's possible to de-spin and redirect asteroids with high-powered lasers.
Rumors of an Earth-shattering asteroid impact scheduled for September are blown off course by NASA applying science to the fear-mongering.
NASA has a bold new plan to steal a boulder from an asteroid and bring it back for orbit around the moon, to help test an Earth-defense system.
The space agency has just announced plans to fly to an asteroid, snag a boulder, fly back toward Earth and put the rock in orbit around the moon. Because science.
For the first time, astronomers have captured images of a rare type of asteroid that rotates so quickly it literally cracks itself up.